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EISA LENS INNOVATION 2019-2020 Canon RF 28-70mm F2L USM

The Canon RF 28-70mm F2L USM is the first standard zoom lens for full-frame mirrorless cameras to maintain a constant aperture of f/2 throughout its entire focal length range. This allows photographers to limit depth of field to a degree previously only possible with prime lenses, and allows faster shutter speeds in low-light conditions. The image quality and sharpness are excellent throughout the zoom range, while the USM motor provides fast and reliable autofocus. The lens is a spectacular demonstration of what can be achieved with the EOS R mount.